Return
to tool
Volume & Measurement

Liters to Gallons Calculator

Whether you're converting a recipe, checking a fuel spec, or figuring out how many gallons are in a 2-liter bottle, this calculator handles the math. Enter any value in either field below for an instant, two-way conversion between liters and US gallons.

Liters ↔ Gallons

Type in either field. The other updates instantly. Uses the US liquid gallon.

L
gal

How to Convert Liters to Gallons

One fixed conversion factor: 1 liter = 0.264172 US liquid gallons. Multiply liters by that number to get gallons. To reverse, multiply gallons by 3.78541.

The Formula

Gallons = Liters × 0.264172
Liters = Gallons × 3.78541

Examples: 2 L × 0.264172 = 0.5283 gal. 5 gal × 3.78541 = 18.9271 L.

US Gallons vs. Imperial Gallons

US liquid gallon = 3.78541 liters (used in the United States).
Imperial gallon = 4.54609 liters (used in the UK and some Commonwealth countries). About 20% larger than the US gallon.

This calculator uses the US liquid gallon.

Liters to Gallons Chart

LitersUS Gallons
0.5 L0.1321 gal
1 L0.2642 gal
1.5 L0.3963 gal
2 L0.5283 gal
2.5 L0.6604 gal
3 L0.7925 gal
5 L1.3209 gal
10 L2.6417 gal
15 L3.9626 gal
20 L5.2834 gal
25 L6.6043 gal
50 L13.2086 gal
100 L26.4172 gal
200 L52.8344 gal
500 L132.086 gal
1,000 L264.172 gal

Gallons to Liters Chart

US GallonsLiters
0.25 gal (1 quart)0.9464 L
0.5 gal (half gallon)1.8927 L
1 gal3.7854 L
2 gal7.5708 L
3 gal11.3562 L
5 gal18.9271 L
10 gal37.8541 L
15 gal56.7812 L
20 gal75.7082 L
50 gal189.271 L
100 gal378.541 L

Common Volume Benchmarks

ItemLitersUS Gallons
Standard water bottle0.5 L0.132 gal
1-liter water bottle1 L0.264 gal
2-liter soda bottle2 L0.528 gal
Standard wine bottle0.75 L0.198 gal
Half-gallon milk jug1.893 L0.5 gal
1-gallon water jug3.785 L1 gal
Average car gas tank~45 to 75 L~12 to 20 gal
5-gallon bucket18.93 L5 gal
55-gallon drum208.2 L55 gal

Frequently Asked Questions

How many gallons is 2 liters?

2 liters equals approximately 0.5283 US gallons, just over half a gallon. A 2-liter soda bottle is the most common reference point for this conversion.

How many gallons is 1 liter?

1 liter equals approximately 0.2642 US gallons, about a quarter of a gallon. To be precise, 1 liter = 0.264172 US liquid gallons.

How many liters are in a gallon?

There are approximately 3.78541 liters in 1 US liquid gallon. The UK imperial gallon is larger at 4.54609 liters.

How many gallons is 10 liters?

10 liters equals approximately 2.6417 US gallons. Multiply any liter value by 0.264172 for the gallon equivalent.

How many gallons is 5 liters?

5 liters equals approximately 1.3209 US gallons. A 5-liter container holds a bit more than 1 gallon and a quarter.

What is the difference between US gallons and imperial gallons?

US liquid gallon = 3.78541 liters. Imperial gallon (UK, Canada) = 4.54609 liters, about 20% larger.

This calculator uses the US liquid gallon.

How do I convert liters to gallons without a calculator?

Multiply liters by 0.264. For a rough mental estimate, divide by 4. The true factor is 3.785, so dividing by 4 understates slightly but is close enough for a quick ballpark.

Is L the same as liters?

Yes. L (uppercase) is the standard abbreviation. Lowercase l is also accepted but less common since it can be confused with the number 1. "Litre" is the British spelling of the same unit.

Mini About Us

We built this because the conversion factor (0.264172) is annoying to remember, and Google still mostly shows pages that don't acknowledge the US-vs-UK gallon difference. One field, the other updates. Done. This site is a part of the ads4good Network.

Read more about Utility Commons here